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TSB (Technical Service Bulletins) and Factory Recall
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Automotive Recalls and Technical Service
Bulletins (TSB) for
1986 GMC Truck G 3500 1 Ton Van V8-305 5.0L
This is Technical Service Bulletin and
Automotive Recall Titles.
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Technical Service Bulletin Titles for 1986 GMC Truck G 3500 1 Ton Van V8-305 5.0L
SEPTEMBER 1986 Recall - Push-Pull Headlight Switch Replacement
MAY 1986 Recall - Headlight Switch R&R, Potential Headlight Loss
Technical Service Bulletin Titles for 1986 GMC Truck G 3500 1 Ton Van V8-305 5.0L
DECEMBER 1986 Campaign - Transfer Case Adapter Mis-Machined
Technical Service Bulletin Titles for 1986 GMC Truck G 3500 1 Ton Van V8-305 5.0L
APRIL 2007 Tires - Proper Inflation Pressure Information
APRIL 2007 Body - Polypropylene Energy Absorber Replacement
APRIL 2007 Engine - Sealant Usage/procedures
APRIL 2007 A/T - Dexron®-VI(R) Fluid Availability
MARCH 2007 Instruments - Reduced PRNDL Display Visibility
FEBRUARY 2007 Wheels/Tires - `Upsized` Wheel & Tire Information
FEBRUARY 2007 Engine, A/T - Shift/Driveability Concerns/MIL ON
JANUARY 2007 Locks - Key Code Securtiy Rules & Information
JANUARY 2007 Body - Hem Flange Repair
JANUARY 2007 Tires - Radial Force Variation (RFV) Information
DECEMBER 2006 Restraints - Availability of Seat Belt Extenders
NOVEMBER 2006 Warranty - Claims Submission
NOVEMBER 2006 Engine - Unnecessary Flushing Services
NOVEMBER 2006 Fuel System - TOP TIER Detergent Gasoline
NOVEMBER 2006 Fuel System - TOP TIER Detergent Gasoline Usage
NOVEMBER 2006 M/T - Hydraulic Clutch Bleeding Procedure Improvement
OCTOBER 2006 Body - Metal Panel Adhesive Bonding Information
OCTOBER 2006 Interior - Eliminating Unwanted Odors
OCTOBER 2006 Tires - Tread Puncture Repair Procedures
SEPTEMBER 2006 Wheel Alignment - Recommendations/Requirements
SEPTEMBER 2006 Wheels - Pitting/Brake Dust On Chrome Wheels
SEPTEMBER 2006 Fuel System - GM Fuel System Treatment Plus(R)
SEPTEMBER 2006 Body - Distortion On Outer Glass Surfaces
SEPTEMBER 2006 Wheels - Changing Procedures/Precautions
AUGUST 2006 M/T - Normal Operating Characteristics
AUGUST 2006 Tires - Original Equipment Tire Characteristics
AUGUST 2006 Cooling System - Coolant Recycling Information
AUGUST 2006 Wheels Chrome Wheel Chemical Staining/Pitting/Corrosion
JULY 2006 Fuel System - E85 Fuel Usage Information
JUNE 2006 Windshield Wipers - Performance/Cleaning and Maintenance
JUNE 2006 Wheels - Aluminum Wheel Refinishing Recommendations
JUNE 2006 A/T - Dexron®(R) VI Fluid Availability
JUNE 2006 A/T - Clunk When Shifting From PARK/DRIVE/REVERSE
MAY 2006 Electrical - Instrument Panel & General Wiring Repair
APRIL 2006 Audio System - Portable Audio Equipment Noise
APRIL 2006 Wheels/Tires - Slow Leaks From Aluminum Wheels
MARCH 2006 Body - Urethane Adhesives for Glass Applications
MARCH 2006 Tires/Wheels - Wheel Weight Usage Precautions
FEBRUARY 2006 A/T - Fluid Cooler Flushing
JANUARY 2006 Engine - Surface Conditioning Disc Usage Prohibition
JANUARY 2006 Fuel System - Fuel Injector Maintenance Cleaning
DECEMBER 2005 Tires/Wheels - Nitrogen Gas Usage for Filling Tires
OCTOBER 2001 A/T - Core Return Product Feedback Form
MAY 2001 Key/Key Number/Security Chip - Replacement
NOVEMBER 2000 Suspension - Chassis Lubrication Importance
JUNE 2000 ACDelco(R) Remanufactured Transmissions - Program Update
MAY 2000 Brake Fluid - Level & Filling Recommendations
MAY 2000 EVAP System - Service of Connectors
APRIL 2000 Warranty - GM Dealer Parts Procurement
JANUARY 2000 Lap/Shoulder Belts - Dealer Installed Rear Kits
NOVEMBER 1999 IP Dimmer Control - Proper Setting
OCTOBER 1999 A/T - New Solenoid Testing Kit
OCTOBER 1999 Cooling - Radiator Repair/Replacement Guidelines
SEPTEMBER 1999 Engine - AC Delco Remanufactured Engines
JUNE 1999 Sunshade - Replacement Availability
JUNE 1999 Warranty - OE Chrome Plated Aluminum Wheel ID
APRIL 1999 Instrument Panel - Upper Surface Reflection
MARCH 1999 Battery - Insulator Replacement & Caution
MARCH 1999 SIR - Operating Vehicle with Warning Light On
DECEMBER 1998 Warranty - Notice of Delayed Start Process
NOVEMBER 1998 A/T - 1-2 Accumulator Piston/Outer Spring Replacement
OCTOBER 1998 Drivetrain - Recommended Axle Lubricant
AUGUST 1998 Warranty - Parts Warranty Special Claims B and C
MAY 1998 Warranty - Request for Wholesale Authorization
APRIL 1998 Engine - Surface Conditioning Discs Precautions
MARCH 1998 VIN Plate - Replacement Policy and Procedure
FEBRUARY 1998 Warranty - GM Dealer Empowerment Program
FEBRUARY 1998 Warranty - New Vehicle/Replacement Battery
JANUARY 1998 Brakes - Rotor & Hub Flange Cleaning Tool Revision
JANUARY 1998 Suspension - Shock Absorber/Strut Replacement Guidlines
JANUARY 1998 Warranty - Enhanced Sublet Repair Policy
JANUARY 1998 Warranty - Repair/Replace Policies & Procedures
DECEMBER 1997 Engines - ACDelco Remanufactured
DECEMBER 1997 Parts Expediting - Reimbursement Policy
DECEMBER 1997 Warranty - Rail Dust Removal & Chemical Spotting Labor
NOVEMBER 1997 A/C - PureGuard 2 Operating Alert
NOVEMBER 1997 Labor - Revised Operation Z1241/Personal Property Damage
AUGUST 1997 A/T & M/T - AC Delco Remanufactured Transmissions
MAY 1997 Windshield - Two-Part Urethane Adhesive For Installation
APRIL 1997 A/C - Tool And Equipment Maintenance
APRIL 1997 Warranty - Required Claim Submission Procedures
FEBRUARY 1997 A/C - Systems With R12 Or R134a Service Issue
FEBRUARY 1997 Body - Sealer Tape For Collision Repairs
JANUARY 1997 Compact Disc Players - CD Changer Loading Procedures
JANUARY 1997 Warranty - Repair and Claims Procedures
DECEMBER 1996 Warranty - Claim Processing
NOVEMBER 1996 A/C Compressor Seal Washer - Reference Chart
NOVEMBER 1996 Key Code - Information
SEPTEMBER 1996 Odometer/Speedometer - ACDelco Service Center Locations
SEPTEMBER 1996 Warranty - Corporate Parts Return Program Instructions
JUNE 1996 Warranty - Goodwrench® Service Lifetime Service Guarantee
MAY 1996 Enhanced Emission Inspection Maintenance - Equipment
APRIL 1996 Headlamp Lens - Distortion Caused by Aiming Equipment
JANUARY 1996 Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
DECEMBER 1995 Enhanced Emission I/M - Program Update
NOVEMBER 1995 Doors - Hard To Open
JULY 1995 Vehicle - AC Delco Locator Service, Electronics Exchange
JUNE 1995 Fuel - Reformulated/Oxygenated Gasolines
JUNE 1995 Vehicle - Use of a Diagnostic Worksheet
MAY 1995 Contaminated R12 Refrigerant - Testing & Handling
APRIL 1995 Coolant - Information on Propylene Glycol Usage
MARCH 1995 A/T - Dexron® III Fluid Introduction
MARCH 1995 Tools - A/C Leak Detector Maintenance Kit Availability
FEBRUARY 1995 I/M Emissions Diagnostic Manual -Program
JANUARY 1995 Cargo Door Latch, Rear/Side - Rattles Over Rough Roads
JANUARY 1995 I/M 240 Program - Equipment Purchase
DECEMBER 1994 Enhanced IM240 Program - Implementation Plan
NOVEMBER 1994 Glass - Adhesive Caulking Kit Revisions
OCTOBER 1994 I/M 240 Repairs - Obtaining Technical Assistance
OCTOBER 1994 PROM/MEMCAL - Identification Marks
SEPTEMBER 1994 A/C Refrigerant - Contamination
SEPTEMBER 1994 Campaign - Product Bulletin Numbering System
SEPTEMBER 1994 Slip Yoke/U-Joint - Replacement and Servicing
AUGUST 1994 Parts - Expediting Procedures
AUGUST 1994 Seat Belt Extenders - Available to Relieve Discomfort
JULY 1994 Electrical - New Nickel Tape Shields Harnesses
JULY 1994 Tires - Speed Rated Information
JULY 1994 Warranty - Corporate Parts Return Program
JUNE 1994 Oil Filters - Enhanced Anti-Drainback Valves
APRIL 1994 Emission - Enhanced Inspection Maintenance Programs
MARCH 1994 P/S - Reduced Assist When Cold
FEBRUARY 1994 Anti-Lock Brake - Aftermarket Products Usage Precaution
FEBRUARY 1994 Warranty - Recycled Engine Coolant Policy
JANUARY 1994 A/C - Retrofitting R-12 Vehicles to R-134A
DECEMBER 1993 Brakes - Lubricating Caliper Sliding Surfaces
DECEMBER 1993 Steering - System Bleed Procedures
OCTOBER 1993 Fuel - How Fuel Economy Is Determined
JULY 1993 A/T - Cooler Replacement/Flushing
JULY 1993 Audio - Radio Frequency Interference (RFI) Diagnosis/ID
JULY 1993 Suspension - Noise on Turns or Slapping Sound Over Bumps
JULY 1993 Wheels - Sealing Leaking Cast Aluminum
JUNE 1993 Tools - Introduction Of The Fuel Injector Tester
JUNE 1993 Wheels - Finish Damage During Off Car Balancing
APRIL 1993 Suspension, Front - Bottoming Out Noise
MARCH 1993 Door Locks - Binding or Sticking/Key Hard to Insert
JANUARY 1993 Differential Pinion Shaft Lock Screw - Service
JANUARY 1993 Differential Pinion Shaft Locking Screw - Revised
OCTOBER 1992 A/T - Buzzing Noise at Idle
OCTOBER 1992 Engine - Miss, Hesitation, or Roughness
SEPTEMBER 1992 A/C - Shaft Nut Removal from the HR6HE Compressor
SEPTEMBER 1992 A/C - Use of Alternate Refrigerants in CFC 12 Units
JULY 1992 Paint - Chips On Exterior Leading Edges
JULY 1992 Wheels (Steel) - Damage Due to Improper Mounting
JUNE 1992 A/C - Leak Test Diagnosis Tools
APRIL 1992 Differential - Governor Removal Tool Revision
APRIL 1992 Engine - Block Heater Leaks
APRIL 1992 Wheels (Aluminum) - Coated Balance Weight Usage
DECEMBER 1991 A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
DECEMBER 1991 Backup Lamps/Tailgate Window Release - Inoperative
DECEMBER 1991 Electrical - Diodes Replacement Information
NOVEMBER 1991 A/T - How To Use A Pressure Gauge
OCTOBER 1991 A/T - New ATF Dexron® IIe Information
OCTOBER 1991 Grille - Mounting Tab Breakage
SEPTEMBER 1991 A/C - Refrigerant Loss Prevention
SEPTEMBER 1991 A/T - Fluid Out Vent Diagnostic Tips
SEPTEMBER 1991 Electrical - Detecting Intermittents Procedure
AUGUST 1991 A/T - 4L60 New Output Shafts and Shaft Seals
AUGUST 1991 A/T - 4L60 Slipping or No 3rd/4th Gear
AUGUST 1991 A/T - Evaluating Peened Spacer Plates
AUGUST 1991 Coolant - Recycling Update
JULY 1991 A/T - 4L60 Stuck In First Gear
JULY 1991 ECM/PCM - Installation Procedures/Mem-Cal Concerns
JULY 1991 Emissions - Information On State Emissions Testing
JUNE 1991 Non-Factory Hydraulic Parking Brakes
JUNE 1991 Paint - HVLP Painting Information
APRIL 1991 A/T - Binding or Inoperative In Reverse
APRIL 1991 Battery - Dead Due to Excessive Current Draw
APRIL 1991 Intermediate Swing-Out Door - Rattles
APRIL 1991 Paint - Checking Clear Coat Thickness
APRIL 1991 Paint - Etching/Staining Prevention
MARCH 1991 A/T Fluid Level Indicator - Revised (Sealed)
MARCH 1991 Engine Coolant - Recycling
MARCH 1991 Side Front Swing-Out Door - Inoperative
JANUARY 1991 Paint - Exterior Finish Removal By Layers
DECEMBER 1990 Instrument Cluster - Replacement Information
DECEMBER 1990 Wiper Blades - Chattering and Poor Wipeability
NOVEMBER 1990 A/T - Replacement Model Update
NOVEMBER 1990 Wiper Blades - Chattering on Windshield
OCTOBER 1990 A/T - Engine Vacuum Testing
OCTOBER 1990 A/T - Premature Wear of Direct Clutch
OCTOBER 1990 Electrical Connector - Terminal Checking Procedure
SEPTEMBER 1990 A/T - Harsh Reverse Engagements
SEPTEMBER 1990 A/T - Torque Converter Identification
SEPTEMBER 1990 Coolant - Usage/Specifications
SEPTEMBER 1990 Engine - No Start After Extended Storage
SEPTEMBER 1990 State Emissions Testing Information
JULY 1990 Tires (Front) - Irregular Wear Information
JUNE 1990 Aftermarket Accessories - Installation Guidelines
MAY 1990 Parasitic Drain Ammeter - Connection Procedure Revised
MARCH 1990 A/T - Rear Bushing On-Vehicle Service Procedure
FEBRUARY 1990 A/T - Choosing the Right ATF
FEBRUARY 1990 Cooling System - Antifreeze Recycling
FEBRUARY 1990 Instrument Panels - Delamination Condition
JANUARY 1990 A/T - New Lube Window and Band Apply/Anchor Brackets
DECEMBER 1989 A/C - CFC Reduction and Refrigerant Recovery
DECEMBER 1989 Carpet - Loose on Side Wall Trim Pads
DECEMBER 1989 Fuel - Use of MTBE At 15% or Less In Gasolines
OCTOBER 1989 A/T - Math Part II
SEPTEMBER 1989 A/T - Twenty Steps To Successful Repairs
SEPTEMBER 1989 Brakes - Light Brake Drag While Driving
AUGUST 1989 A/T - Math Formulas Part I
JULY 1989 A/T - Proper Use of Spacer Plate Gaskets In Overhaul Kit
JUNE 1989 Drivetrain - Evaluating Driveline Vibration
MAY 1989 Brakes - Noise From Front, New Pad Tab Clinch Procedure
MAY 1989 Electrical - Wiring Repair Temp Range Precaution
APRIL 1989 A/C - Moan Noise With Compressor Engaged
APRIL 1989 A/T - New Case, 2nd, 3rd, 4th Pressure Taps Removed
APRIL 1989 A/T - Park/Neutral to Reverse Shift Feel
APRIL 1989 Brakes - Replacement Booster Push Rod Height Gage
MARCH 1989 A/T - Fluid Leak Near Front Pump (Bushing Walkout)
MARCH 1989 Audio - Poor AM or FM Radio Reception
MARCH 1989 Brakes - Front Calipers
MARCH 1989 Brakes - New Front Brake Calipers Available
MARCH 1989 Fuel - Pump Replacement Caution, Strainer
MARCH 1989 Vehicle - Current Model Line Designators
FEBRUARY 1989 A/T - 3L80/THM 400 Center Support Bolt
FEBRUARY 1989 A/T - 700-R4 & 400 Improved Governor Driven Gear
FEBRUARY 1989 A/T - New Control Valve Assembly Elimination of TCC Bore
FEBRUARY 1989 A/T - No Engine Braking In Drive 2 (D2) Selection
FEBRUARY 1989 Starting System - Starter Clashes Upon Starting
NOVEMBER 1988 A/C - System Diagnostic Procedure
NOVEMBER 1988 Battery - Diagnosis and Charging
NOVEMBER 1988 Fuel - Feed/Return Pipe Repair
OCTOBER 1988 M/T - Neutral/Drive Gear Rattle
SEPTEMBER 1988 Alignment - The Importance of Four Wheel Alignment
AUGUST 1988 Brakes - Pulsations and Rotor Surface Refinish
AUGUST 1988 Electrical - Speed Sensor Buffer Connector Labeled Wrong
AUGUST 1988 Electrical - VSS Connector Mislabeled
JULY 1988 A/T - Sprag Rotation
JULY 1988 A/T - THM Steel Clutch Piston Inspection
JULY 1988 Hood - Sheet Metal Movement
JUNE 1988 A/T - THM 400 No Reverse
JUNE 1988 Cooling System - Leaks
MAY 1988 A/C - Performance Improvement
MAY 1988 A/T - THM 200/200C, 400, 700R4 Speedometer Leak
MAY 1988 Windshields - Updated Sealing
APRIL 1988 A/T - THM 400 New Forward and Direct Clutch Assemblies
MARCH 1988 A/T - Erratic or No Upshift (New Governor Driven Gear)
MARCH 1988 A/T - No Upshift/Governor Contamination
FEBRUARY 1988 A/T - Checking Pressure Switches For Leaks
JANUARY 1988 Electrical - Care of Metri-pack 150 Terminals
DECEMBER 1987 A/T - Piston Seals Cut/Leaking
NOVEMBER 1987 A/T - THM 400 Too Sensitive 3-2 Downshift
NOVEMBER 1987 A/T - Updated Filter and Seal
SEPTEMBER 1987 A/T - Front Bushing Wear
SEPTEMBER 1987 A/T - New Servo Apply Pin
SEPTEMBER 1987 A/T - Updated Oil Pump Assemblies
SEPTEMBER 1987 Engine - Generator Belt Tension
SEPTEMBER 1987 Engine Controls - ECM May Contain Wrong PROM
AUGUST 1987 A/T - Slipping or No-Shift/Metal Sealing Rings
JULY 1987 Brake Pads - Front Brake Squeal
JULY 1987 Third Seat Back - Sagging
JUNE 1987 A/T - Methods to Check for Restricted Exhaust
JUNE 1987 Fuel System - Cold Start Injector O-Ring Package
MAY 1987 CS-121/CS-130 Generators - Replacement
MAY 1987 ECM - Revised Replacement Procedure
MAY 1987 Engine - Oil Change Requirements For Fuel Fouled Oil
MAY 1987 Transmission - Leak from Speedometer Gear/Adaptor
APRIL 1987 Eaton Locking Differential - New Design
MARCH 1987 A/T - Slipping/Loss of Drive Range
MARCH 1987 CS Charging Systems - Quick Check
MARCH 1987 Steering - Idler Arm Inspection
FEBRUARY 1987 A/T - 700 R4 Pump Whine or Moan
FEBRUARY 1987 A/T - THM 700-R4 Pump Whine or Moan
JANUARY 1987 Engine - Belt Squeal/Pop Noise From Crankshaft Pulley
DECEMBER 1986 A/C - Low Mileage, Compressor Belt Wear
DECEMBER 1986 Intake Manifold Gasket - Service Guidelines
NOVEMBER 1986 A/T - Leaks From the Oil Pump Body
NOVEMBER 1986 Brake Master Cylinder Cover - Leakage
OCTOBER 1986 Battery, Delco Freedom - Diagnosis/Charging Procedure
OCTOBER 1986 Electric Door Lock Switch - Separation
OCTOBER 1986 Oil Pump Body Seal - Fluid Leaks
SEPTEMBER 1986 A/T - Accumulator Pistons & Seals Enhance Shift Points
SEPTEMBER 1986 Aluminum Wheels - Clear Coating Procedure Revised
SEPTEMBER 1986 Cruise Control - Revised Quick Check Diagnostic Routine
SEPTEMBER 1986 Electronics - Electrostatic Discharge Damage
SEPTEMBER 1986 Fuel - Gasoline Brands That Clean Port Fuel Injectors
SEPTEMBER 1986 Steering Column (Tilt) - Noise or Squeaks
AUGUST 1986 A/T - Consistent Shift Points and Smoothness
AUGUST 1986 Canister Purge Solenoid Valve - Inoperative
AUGUST 1986 Oil Drain Plug Gasket - Revised to Replace Copper Gasket
JULY 1986 Brakes - Premature Brake Wear
JULY 1986 Engine Oil Drain Plug Gasket - Revised
JULY 1986 Fuel Evap Purge Solenoid Valve - Inoperative
JULY 1986 Side Doors - Inoperative
JULY 1986 Slipping Condition - Loss of Drive Range
JULY 1986 Spark Plug - Usage
JUNE 1986 A/T - New Pump to Case Bolt and O-Ring Improves Sealing
JUNE 1986 Pump to Case Bolt and O-Ring Assembly - Revised
JUNE 1986 Tires - Irregular/Premature Wear
MAY 1986 Brake - Pulsations
MAY 1986 Engine - Stops Running When Shifting to Reverse or Drive
MAY 1986 Front Timing Chain Cover - Removal and Installation
MAY 1986 Tools - Metri-Pack Series 150 Terminal Removal
APRIL 1986 A/T - Elimation of Throttle Valve Sleeve
APRIL 1986 A/T - Shudder in Reverse
APRIL 1986 Disc Brake/Rotor - Surface Refinish
APRIL 1986 Engine Performance - Altitude Adjustment
APRIL 1986 Vehicle - Fluid Leak Detection
MARCH 1986 A/T Control Valve - Cleaning and Service Procedures
MARCH 1986 A/T Oil Pan Gasket - Eliminates Fluid Leaks
MARCH 1986 All THM Transmission/Transaxle Assembliescontrol Valve Assembly
MARCH 1986 Cooling System - Antifreeze Concentration and Effects
MARCH 1986 RTV Sealants - Use on Engines With Oxygen Sensors
FEBRUARY 1986 A/T - Identification, Including 3-Letter Mode Code
FEBRUARY 1986 A/T - Understanding Identification Information
FEBRUARY 1986 Fuel Injectors - Remanufactured for TBI Systems
FEBRUARY 1986 Tailgate/Door Lock Cylinders - Inoperative
JANUARY 1986 A/T - Rapid Converter Pump Bushing Wear
JANUARY 1986 Engine Oil - Dye and Discoloration
JANUARY 1986 Radio - Alternator Noise Whine Left Channel
DECEMBER 1985 A/T - THM 400 Rear Band Adjustment Too Loose
DECEMBER 1985 Engine Controls - Correction to Diagnostic Charts
DECEMBER 1985 Lock Cylinders - Inoperative/Proper Lubricant Usage
DECEMBER 1985 Oil Filter - Changing as a Result of Fouled Plugs
DECEMBER 1985 Power Brakes - Tandem Booster Service, Components
DECEMBER 1985 Turn Signals Flashers - Too Quiet
NOVEMBER 1985 A/C - Compressor Assembly Availability
NOVEMBER 1985 Cruise Control - Diagnostic Routine Modified
NOVEMBER 1985 Engine - Recommended RTV Sealants
NOVEMBER 1985 Fuel System - Integrator/Block Learn Operation
JULY 1984 Flywheel Bolts - Revised Torque Specification
FEBRUARY 1981 Oxygen Sensors - Silica Contamination
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